import vue from '@vitejs/plugin-vue'
import { UserConfig, ConfigEnv, loadEnv, defineConfig } from 'vite'
import AutoImport from "unplugin-auto-import/vite";
import Components from "unplugin-vue-components/vite";
import { ElementPlusResolver } from "unplugin-vue-components/resolvers";

import UnoCSS from "unocss/vite";
import { resolve } from "path";



const pathSrc = resolve(__dirname, "src");

export default defineConfig(
  ({ mode }: ConfigEnv): UserConfig => {
    const env = loadEnv(mode, process.cwd());
    return {
      resolve: {
        alias: {
          "@": pathSrc,
        },
      },
      // css: {
      //   // CSS 预处理器
      //   preprocessorOptions: {
      //     // 定义全局 SCSS 变量
      //     scss: {
      //       javascriptEnabled: true,
      //       additionalData: `
      //       @use "@/styles/variables.scss" as *;
      //       @use "@/styles/customization.scss" as *; // 定制样式
      //     `,
      //     },
      //   },
      // },
      server: {
        // 允许IP访问
        host: "0.0.0.0",
        // 应用端口 (默认:3000)
        port: Number(env.VITE_APP_PORT),
        // 运行是否自动打开浏览器
        open: true,
        proxy: {
          /** 代理前缀为 /api 的请求  */
          [env.VITE_APP_BASE_API]: {
            changeOrigin: true,
            // 接口地址
            target: env.VITE_APP_API_URL,
            rewrite: (path) => path.replace(new RegExp("^" + env.VITE_APP_BASE_API), ""),
          },
        },
      },
      plugins: [
        vue(),
        //   // jsx、tsx语法支持
        //   vueJsx(),
        //   // MOCK 服务
        //   env.VITE_MOCK_DEV_SERVER === "true" ? mockDevServerPlugin() : null,
        UnoCSS({
          hmrTopLevelAwait: false,
        }),
        // 自动导入参考： https://github.com/sxzz/element-plus-best-practices/blob/main/vite.config.ts
        AutoImport({
          // 自动导入 Vue 相关函数，如：ref, reactive, toRef 等
          imports: ["vue", "@vueuse/core", "pinia", "vue-router", "vue-i18n"],
          resolvers: [
            // 自动导入 Element Plus 相关函数，如：ElMessage, ElMessageBox... (带样式)
            ElementPlusResolver(),
            // // 自动导入图标组件
            // IconsResolver({}),
          ],
          eslintrc: {
            // 是否自动生成 eslint 规则，建议生成之后设置 false
            enabled: false,
            // 指定自动导入函数 eslint 规则的文件
            filepath: "./.eslintrc-auto-import.json",
            globalsPropValue: true,
          },
          // 是否在 vue 模板中自动导入
          vueTemplate: true,
          // 指定自动导入函数TS类型声明文件路径 (false:关闭自动生成)
          dts: false,
          // dts: "src/typings/auto-imports.d.ts",
        }),
        Components({
          resolvers: [
            // 自动导入 Element Plus 组件
            ElementPlusResolver(),
            // // 自动注册图标组件
            // IconsResolver({
            //   // element-plus图标库，其他图标库 https://icon-sets.iconify.design/
            //   enabledCollections: ["ep"],
            // }),
          ],
          // // 指定自定义组件位置(默认:src/components)
          // dirs: ["src/components", "src/**/components"],
          // // 指定自动导入组件TS类型声明文件路径 (false:关闭自动生成)
          // dts: false,
          // // dts: "src/typings/components.d.ts",
        }),
        //   Icons({
        //     // 自动安装图标库
        //     autoInstall: true,
        //   }),
        //   createSvgIconsPlugin({
        //     // 指定需要缓存的图标文件夹
        //     iconDirs: [resolve(pathSrc, "assets/icons")],
        //     // 指定symbolId格式
        //     symbolId: "icon-[dir]-[name]",
        //   }),
      ],
      // 预加载项目必需的组件
      // optimizeDeps: {
      //   include: [
      //     "vue",
      //     "vue-router",
      //     "pinia",
      //     "axios",
      //     "@vueuse/core",
      //     "sortablejs",
      //     "path-to-regexp",
      //     "echarts",
      //     "@wangeditor/editor",
      //     "@wangeditor/editor-for-vue",
      //     "vue-i18n",
      //     "path-browserify",
      //     "element-plus/es/components/form/style/css",
      //     "element-plus/es/components/form-item/style/css",
      //     "element-plus/es/components/button/style/css",
      //     "element-plus/es/components/input/style/css",
      //     "element-plus/es/components/input-number/style/css",
      //     "element-plus/es/components/switch/style/css",
      //     "element-plus/es/components/upload/style/css",
      //     "element-plus/es/components/menu/style/css",
      //     "element-plus/es/components/col/style/css",
      //     "element-plus/es/components/icon/style/css",
      //     "element-plus/es/components/row/style/css",
      //     "element-plus/es/components/tag/style/css",
      //     "element-plus/es/components/dialog/style/css",
      //     "element-plus/es/components/loading/style/css",
      //     "element-plus/es/components/radio/style/css",
      //     "element-plus/es/components/radio-group/style/css",
      //     "element-plus/es/components/popover/style/css",
      //     "element-plus/es/components/scrollbar/style/css",
      //     "element-plus/es/components/tooltip/style/css",
      //     "element-plus/es/components/dropdown/style/css",
      //     "element-plus/es/components/dropdown-menu/style/css",
      //     "element-plus/es/components/dropdown-item/style/css",
      //     "element-plus/es/components/sub-menu/style/css",
      //     "element-plus/es/components/menu-item/style/css",
      //     "element-plus/es/components/divider/style/css",
      //     "element-plus/es/components/card/style/css",
      //     "element-plus/es/components/link/style/css",
      //     "element-plus/es/components/breadcrumb/style/css",
      //     "element-plus/es/components/breadcrumb-item/style/css",
      //     "element-plus/es/components/table/style/css",
      //     "element-plus/es/components/tree-select/style/css",
      //     "element-plus/es/components/table-column/style/css",
      //     "element-plus/es/components/select/style/css",
      //     "element-plus/es/components/option/style/css",
      //     "element-plus/es/components/pagination/style/css",
      //     "element-plus/es/components/tree/style/css",
      //     "element-plus/es/components/alert/style/css",
      //     "element-plus/es/components/radio-button/style/css",
      //     "element-plus/es/components/checkbox-group/style/css",
      //     "element-plus/es/components/checkbox/style/css",
      //     "element-plus/es/components/tabs/style/css",
      //     "element-plus/es/components/tab-pane/style/css",
      //     "element-plus/es/components/rate/style/css",
      //     "element-plus/es/components/date-picker/style/css",
      //     "element-plus/es/components/notification/style/css",
      //     "element-plus/es/components/image/style/css",
      //     "element-plus/es/components/statistic/style/css",
      //     "element-plus/es/components/watermark/style/css",
      //     "element-plus/es/components/config-provider/style/css",
      //     "element-plus/es/components/text/style/css",
      //     "element-plus/es/components/drawer/style/css",
      //     "element-plus/es/components/color-picker/style/css",
      //   ],
      // },
      // 构建配置
      build: {
        chunkSizeWarningLimit: 2000, // 消除打包大小超过500kb警告
        minify: "terser", // Vite 2.6.x 以上需要配置 minify: "terser", terserOptions 才能生效
        terserOptions: {
          compress: {
            keep_infinity: true, // 防止 Infinity 被压缩成 1/0，这可能会导致 Chrome 上的性能问题
            drop_console: true, // 生产环境去除 console
            drop_debugger: true, // 生产环境去除 debugger
          },
          format: {
            comments: false, // 删除注释
          },
        },
        rollupOptions: {
          output: {
            // manualChunks: {
            //   "vue-i18n": ["vue-i18n"],
            // },
            // 用于从入口点创建的块的打包输出格式[name]表示文件名,[hash]表示该文件内容hash值
            entryFileNames: "js/[name].[hash].js",
            // 用于命名代码拆分时创建的共享块的输出命名
            chunkFileNames: "js/[name].[hash].js",
            // 用于输出静态资源的命名，[ext]表示文件扩展名
            assetFileNames: (assetInfo: any) => {
              const info = assetInfo.name.split(".");
              let extType = info[info.length - 1];
              // console.log('文件信息', assetInfo.name)
              if (/\.(mp4|webm|ogg|mp3|wav|flac|aac)(\?.*)?$/i.test(assetInfo.name)) {
                extType = "media";
              } else if (/\.(png|jpe?g|gif|svg)(\?.*)?$/.test(assetInfo.name)) {
                extType = "img";
              } else if (/\.(woff2?|eot|ttf|otf)(\?.*)?$/i.test(assetInfo.name)) {
                extType = "fonts";
              }
              return `${extType}/[name].[hash].[ext]`;
            },
          },
        },
      },
      // define: {
      //   __APP_INFO__: JSON.stringify(__APP_INFO__),
      // },
    };
  }
);